DR. ROBERT B DIRKSEN (O.D.) – Optometrist, NPI 1174669899

DR. ROBERT B DIRKSEN (O.D.) is a healthcare provider. based in San luis obispo, California. specializing in OPTOMETRY. They hold the professional credentials O.D.. They hold a License No. 12172 (CA). The NPI Number for DR. ROBERT B DIRKSEN (O.D.) is 1174669899

Main info

Male
Sole Proprietor
24 Years Of Experience
Accepts Medicare Assignment
Name
DR. ROBERT B DIRKSEN (O.D.)
NPI
1174669899
Phone
(805) 545-7881
Address
3855 BROAD STREET
Enumeration Date
29 January 2007
Last Update Date
5 May 2017

Doctor Profile

Medical School Name
OTHER
Secondary Phone
8055458100
Graduation Year
2002 (24 years ago)
PAC ID
1658389218
Group Practice PAC ID
7810947397
Professional Enrollment ID
I20060323000768
Address ID
CA934465427PA220XXRDXX400
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

3,909 OPTOMETRY in CA

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Provider Addresses for DR. ROBERT B DIRKSEN (O.D.)

  • SESLOC, 3855, Broad Street, San Luis Obispo, San Luis Obispo County, California, 93401, United States

    SUITE B

    SAN LUIS OBISPO, CA 93401

    Phone: (805) 545-7881

    Fax: (805) 548-8785

    Type: Location

  • PO BOX 5357

    SAN LUIS OBISPO, CA 934035357

    Phone: (805) 545-7881

    Fax: (805) 548-8785

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 10 Open Payments records for all available years, with a total value of $391.

Total Amount is formed as General ($391) + Research ($0) + Ownership ($0) = $391.

Last reported payment date: 2024-11-20 • Largest payer in this snapshot: Bausch & Lomb Americas Inc. ($223).

Total Amount

$391

General + Research + Ownership

Payments

10

Total payment records

General Amount

$391

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-11-20

Latest reported date

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2006-03-23

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20060323000768IOptometryCATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
92014Established patient complete exam of visual system210209$0
92012Established patient problem focused exam of visual system105102$0
99213Established patient office or other outpatient visit, 20-29 minutes10294$0
99214Established patient office or other outpatient visit, 30-39 minutes8963$0
92004New patient complete exam of visual system6868$0
View full utilization report →

Insurance plans in this area (ZIP 93401)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 7810947397View full group profile
NameSpecialtyState
O P T O M E T R YCA
O P H T H A L M O L O G YCA
O P T O M E T R YCA
O P T O M E T R YCA
-CA
O P T O M E T R YCA
O P H T H A L M O L O G YCA
O P H T H A L M O L O G YCA
O P H T H A L M O L O G YCA
O P H T H A L M O L O G YCA

Reviews

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Frequently asked questions

Can I use this page to confirm DR. ROBERT B DIRKSEN (O.D.)'s NPI?
Yes. DR. ROBERT B DIRKSEN (O.D.) is listed with NPI 1174669899 in the public NPI dataset.
Does CMS list DR. ROBERT B DIRKSEN (O.D.) as active?
Yes — DR. ROBERT B DIRKSEN (O.D.) is active in the NPI listing used on this page.
What taxonomy line describes DR. ROBERT B DIRKSEN (O.D.)?
For research purposes, treat DR. ROBERT B DIRKSEN (O.D.) as Optometrist in this dataset. Clinical services aligned with this taxonomy classification.
Where is DR. ROBERT B DIRKSEN (O.D.) based?
DR. ROBERT B DIRKSEN (O.D.) is tied to San Luis Obispo, California in the data we show; additional addresses may exist on the full record.
Is specialty guaranteed by NPI alone?
Taxonomy selections describe intent; scope of practice still follows state law.

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